A man whose second-degree murder conviction was thrown out by the state appeals court must face a new trial in the case in which a partying crowd beat a Des Moines man to death in a downtown parking lot in 2013.

The Iowa Supreme Court on Friday ruled that Kent Tyler III must be retried for the death of 40-year-old Richard Daughenbaugh.

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The 20-year-old Tyler was convicted of second-degree murder in December 2013 and sentenced to 50 years in prison.

Witnesses say Tyler punched Daughenbaugh, who showed up uninvited where dozens of young people were partying. Several partygoers kicked and stomped him to death.

The appeals court threw out Tyler's conviction on insufficient evidence grounds but the Iowa Supreme Court says prosecutors have enough evidence to retry the case.